Benchmark HPA4 Headphone / Line Amplifier

Our Price:£3,749.00

What HFL Thinks

Benchmark HPA4 – Benchmark products are designed and built by audio enthusiasts. They are musicians, audiophiles and audio professionals who are passionate about audio quality. They also are passionate about the durability and build quality of our products. When you see the Benchmark name on an audio product you can be assured that the product has been designed to be sonically neutral and transparent.This means that Benchmark are focused on building products that have an accurate impulse response. It also means that their products produce very little distortion or noise. If you are looking to add a warm veil of even-harmonic distortion, you have also come to the wrong place. On the other hand, if you are looking for accurate, clean, and transparent audio equipment, you will enjoy Benchmark products so please feel free to come into HFL to give them a listen.



Benchmark Media Systems, Inc. and THX, Ltd. have partnered to introduce the Benchmark HPA4 headphone/line amplifier featuring THX Achromatic Audio Amplifier (AAA™) technology.

THX AAA™ reduces harmonic, intermodulation, and crossover distortion by 20 to 40 dB to guarantee a realistic and fatigue-free listening experience. It accomplishes this using a patented feed-forward topology to null conventional distortion and noise mechanisms, resulting in the world’s most linear amplifier. THX AAA allows the amplifier to reach its maximum output power and sound pressure level (SPL) without producing the distortion that normally accompanies increased output levels in traditional amplifiers.

Featuring the flagship THX-888 amplifier design, the revolutionary HPA4 headphone amplifier incorporates the same THX AAAtechnology that Benchmark uses in the AHB2 power amplifier. The HPA4 delivers sonic perfection. Hear the music without any contamination from electronic noise or distortion. The HPA4 delivers power, audio fidelity, speed and accuracy over an utterly silent background.

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